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Expand Minimize
本主題尚未接受評分 - 為這個主題評分

MONTH (Transact-SQL)

SQL Server 2005

傳回一個整數來代表指定日期的月份部份。

主題連結圖示 Transact-SQL 語法慣例

複製 

MONTH ( date )

date

這是傳回 datetime 或 smalldatetime 值或日期格式之字元字串的運算式。請只將 datetime 資料類型用在 1753 年 1 月 1 日之後的日期。

MONTH 相當於 DATEPART(mm, date)。

一律將 datetime 值含括在引號中。如果是較早的日期，便將日期儲存成字元資料。

Microsoft SQL Server 2005 Database Engine 會辨識各種日期樣式。如需有關日期和時間資料的詳細資訊，請參閱＜CAST 和 CONVERT (Transact-SQL)＞。

下列範例會傳回從 03/12/1998 這一天算起的月份。

複製 
SELECT "Month Number" = MONTH('03/12/1998')
GO

以下為結果集： 

複製 
Month Number 
------------ 
3

下列範例會把日期指定為一個數字。Database Engine 會將 0 解譯為 1900 年 1 月 1 日。

複製 
SELECT MONTH(0), DAY(0), YEAR(0)

以下為結果集： 

複製 
----- ------ ------
1     1      1900
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